colle di val d`elsa, siena, tuscany, italy. the vaulted street is a picturesque covered alley, a medieval passage in the old town

039 alley antique arch architecture city cityscape colle collevaldelsa corridor covered dark delle delsa elsa fort fortress italian italy medieval mysterious mystery narrow old passage passageway picturesque plaque secret siena sign signboard street town travel tunnel tuscan tuscany typical urban val valdelsa vault vaulted via volte walkway